7.2.4反余弦函数.txt

《MCS-51单片机应用开发实用子程序》配套源代码下载

ACOSX:
ORB 	2FH,#8					
SCALL 	ASIX
JBC 		2FH,3,ACSRT			
LCALL 	GHPI
AS3:
LCALL 	FPSUB				
ACSRT:
ANDB 	2FH,#0F7H				
RET
ATANX:
CMPB 	2CH,#9DH					
JNH  	AT2
LDB  	27H,2BH					
LDB  	2CH,#81H
LD   	2AH,#490FH
LD   	28H,#0DAA2H
JBC  	27H,7,AT1
ORB  	2BH,#80H					
AT1:
RET
AT2:
CMPB 	2CH,#76H
JNH 	AT1					
LCALL 	LD2						
LCALL 	LD0
LCALL 	FPMUL					
LCALL 	G1					
LCALL 	FPADD;1+x2
LCALL 	FSQ0;√1+x2
LCALL 	GET2					
LCALL 	FPDIV					
SJMP  	ASINX